Thunderstorms and Heavy Rains in the Appalachians

Multiple rounds of moderate to locally heavy rain will impact portions of the Appalachians and Mid-Atlantic, which may lead to flash flooding concerns. Thunderstorms with isolated severe wind gusts will be possible this afternoon from parts of the Southeast into the southern and central Appalachians. A multi-day heavy rain will pose a flash flood threat in New Mexico beginning Tuesday. Read More >

Current conditions at

St George Regional Airport (KSGU)

Lat: 37.0451°NLon: 113.50561°WElev: 2872.0ft.

Partly Cloudy

74°F

23°C

Humidity 53%
Wind Speed ENE 8 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 21 Sep 01:56 PM MDT
Extended Forecast for

Washington UT

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 91. Calm wind becoming west northwest around 5 mph.

    High: 91 °F

    Partly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 65. West northwest wind 5 to 8 mph becoming east after midnight.

    Low: 65 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 90. Light and variable wind becoming west around 6 mph in the afternoon.

    High: 90 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64. West wind 5 to 7 mph becoming calm  after midnight.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93. Light and variable wind.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 91. Calm wind becoming west northwest around 5 mph.
Tonight
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. West northwest wind 5 to 8 mph becoming east after midnight.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 90. Light and variable wind becoming west around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 64. West wind 5 to 7 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 93. Light and variable wind.
Wednesday Night
Partly cloudy, with a low around 69.
Thursday
Sunny, with a high near 92.
Thursday Night
Partly cloudy, with a low around 68.
Friday
Sunny, with a high near 92.
Friday Night
Mostly clear, with a low around 69.
Saturday
Sunny, with a high near 93.
Saturday Night
Partly cloudy, with a low around 70.
Sunday
Mostly sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
Washington UT
 37.13°N 113.5°W (Elev. 2799 ft)
12:31 pm MDT Sep 21, 2026
2pm MDT Sep 21, 2026-6pm MDT Sep 27, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database